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Current Ozone and Weather Data in National Parks


Theodore Roosevelt National Park - Visitor Center, ND
EPA AQS Site Number: 38-007-0002


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday April 26, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 33 29
1 AM 32 28
2 AM 32 28
3 AM 30 29
4 AM 28 29
5 AM 25 30
6 AM 27 32
7 AM 27 34
8 AM 27 35
9 AM 32 38
10 AM 37 39
11 AM 35 41
12 PM 37 42
1 PM 38 43
2 PM 39 44
3 PM 42 44
4 PM 44 44
5 PM 46 43
6 PM 47 40
7 PM 47 38
8 PM 45 34
9 PM 43 31
10 PM 42 28
11 PM 40 25
Weather and Ozone Data Wednesday April 26, 2017
Hour
Ending
(Local Time)
Ozone
(parts per
billion)
Wind
Speed
(meters per
second)
Wind
Direction
Temperature
(degrees C)
Relative
Humidity
(%)
Solar
Radiation
(watts per
meter
squared)
Rainfall
(millimeters)
12 AM 33 1.9 N -1.1 78 -- 0.0
1 AM 32 1.7 N -1.3 80 -- 0.0
2 AM 32 2.0 NW -1.1 80 -- 0.0
3 AM 30 1.3 N -1.2 82 -- 0.0
4 AM 28 0.2 NE -1.0 82 -- 0.0
5 AM 25 0.5 E -1.0 84 -- 0.0
6 AM 27 2.0 E -1.1 78 0 0.0
7 AM 27 1.5 E -1.1 77 21 0.0
8 AM 27 1.0 E -0.5 75 97 0.0
9 AM 32 0.7 NE 1.0 67 313 0.0
10 AM 37 3.2 NE 1.8 60 354 0.0
11 AM 35 3.2 NE 2.2 58 480 0.0
12 PM 37 2.2 N 3.3 54 711 0.0
1 PM 38 2.3 NE 4.9 49 817 0.0
2 PM 39 2.4 NE 6.1 45 861 0.0
3 PM 42 2.4 NE 7.4 42 778 0.0
4 PM 44 3.1 NE 8.3 40 696 0.0
5 PM 46 3.2 NE 8.7 38 554 0.0
6 PM 47 3.4 NE 8.2 37 370 0.0
7 PM 47 3.5 E 7.5 38 214 0.0
8 PM 45 3.5 E 5.6 42 41 0.0
9 PM 43 3.3 E 3.8 47 0 0.0
10 PM 42 3.3 E 2.8 51 -- 0.0
11 PM 40 4.0 E 2.4 53 -- 0.0
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updated on 04/27/2017 1:43 PM  I   http://nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster